{
  "entity_type": "data_package_index",
  "dataset_id": "calcgrid-japan-national-holidays",
  "dataset_version": "jp-cabinet-office-national-holidays-2026-2027.1",
  "jurisdiction": "JP",
  "coverage": {
    "start": "2026-01-01",
    "end": "2027-12-31"
  },
  "supported_years": [
    2026,
    2027
  ],
  "scope": "Japan statutory national holidays only",
  "year_urls": {
    "2026": "/api/v1/data/japan-national-holidays/2026",
    "2027": "/api/v1/data/japan-national-holidays/2027"
  },
  "calculators": [
    "/api/v1/calculators/japan-national-working-day",
    "/api/v1/calculators/japan-national-add-working-days",
    "/api/v1/calculators/japan-national-working-days-between"
  ],
  "sources": [
    {
      "name": "Cabinet Office of Japan - National Holidays",
      "url": "https://www8.cao.go.jp/chosei/shukujitsu/gaiyou.html",
      "type": "government",
      "published_at": "2026-09-29",
      "scope": "statutory_national_holidays"
    },
    {
      "name": "Act on National Holidays (Act No. 178 of 1948)",
      "url": "https://laws.e-gov.go.jp/law/323AC0000000178",
      "type": "legislation",
      "scope": "national_holiday_definition_and_substitute_rules"
    }
  ]
}